Add an evidence field to compliance reports

This allows us to show a page with information about what the district
is concerned about when asking the user to fill a report.

platform/types/evidence.go

@@ -0,0 +1,32 @@
+package types
+
+import (
+	"fmt"
+
+	"github.com/gorilla/mux"
+	"github.com/rs/zerolog/log"
+)
+
+type Evidence interface {
+	PopulateURL(*mux.Router) error
+}
+type EvidenceComplianceReportRequest struct {
+	ComplianceReportRequestPublicID string
+	URL                             string
+}
+
+func (e *EvidenceComplianceReportRequest) PopulateURL(r *mux.Router) error {
+	route_name := "compliance-request.image.pool.ByIDGet"
+	handler := r.Get(route_name)
+	if handler == nil {
+		return fmt.Errorf("failed to get handler '%s'", route_name)
+	}
+	uri, err := handler.URL("public_id", e.ComplianceReportRequestPublicID)
+	if err != nil {
+		return fmt.Errorf("failed to create uri from '%s'", e.ComplianceReportRequestPublicID)
+	}
+	uri.Scheme = "https"
+	e.URL = uri.String()
+	log.Debug().Str("url", e.URL).Msg("populated evidence URL")
+	return nil
+}

platform/types/publicreport.go

@@ -5,19 +5,20 @@ import (
 )
 
 type PublicReport struct {
-	Address    Address    `db:"address" json:"address"`
-	Created    time.Time  `db:"created" json:"created"`
-	ID         int32      `db:"id" json:"-"`
-	Images     []Image    `db:"images" json:"images"`
-	Location   *Location  `db:"location" json:"location"`
-	Log        []LogEntry `db:"-" json:"log"`
-	DistrictID *int32     `db:"organization_id" json:"-"`
-	District   *string    `db:"-" json:"district"`
-	PublicID   string     `db:"public_id" json:"public_id"`
-	Reporter   Contact    `db:"reporter" json:"reporter"`
-	Status     string     `db:"status" json:"status"`
-	Type       string     `db:"report_type" json:"type"`
-	URI        string     `db:"-" json:"uri"`
+	Address    Address                            `db:"address" json:"address"`
+	Created    time.Time                          `db:"created" json:"created"`
+	Evidence   []*EvidenceComplianceReportRequest `db:"-" json:"evidence"`
+	ID         int32                              `db:"id" json:"-"`
+	Images     []Image                            `db:"images" json:"images"`
+	Location   *Location                          `db:"location" json:"location"`
+	Log        []LogEntry                         `db:"-" json:"log"`
+	DistrictID *int32                             `db:"organization_id" json:"-"`
+	District   *string                            `db:"-" json:"district"`
+	PublicID   string                             `db:"public_id" json:"public_id"`
+	Reporter   Contact                            `db:"reporter" json:"reporter"`
+	Status     string                             `db:"status" json:"status"`
+	Type       string                             `db:"report_type" json:"type"`
+	URI        string                             `db:"-" json:"uri"`
 }
 type PublicReportCompliance struct {
 	PublicReport